5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol

Also known as: 5-(tert-Butyldimethylsilyloxy)-1-pentanol, 5-(tert-Butyldimethylsiloxy)-1-pentanol, 5-[dimethyl(tert-butyl)silyloxy]-1-pentanol, 5-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-pentanol, 5-[tert-butyl(dimethyl)silyl]oxypentan-1-ol, 1-Pentanol, 5-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, MFCD00187970

5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol (CAS 83067-20-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C11H26O2Si and a molecular weight of 218.40800 g/mol. Key properties include a boiling point of 140ºC6 mm Hg(lit.), a density of 0.885 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 83067-20-3
Jingsj CID: J-36541-3
Molecular Formula: C₁₁H₂₆O₂Si
Molecular Weight: 218.40800 g/mol
Category: Alcohols
Last updated: 11/3/2026

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Physicochemical Properties

Boiling Point	140ºC6 mm Hg(lit.)
Density	0.885 g/mL at 25ºC(lit.)
Flash Point	>110.0 °C
Exact Mass	218.17000
PSA	29.46000
LogP	3.17080
Refractive Index	n20/D 1.442(lit.)

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol?

The CAS number of 5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol is 83067-20-3.

What are the molecular formula and molecular weight of 5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol?

5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol has molecular formula C11H26O2Si and molecular weight 218.40800 g/mol.

What are the upstream and downstream products of 5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol?

For 5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol, Upstream Products: 1,5-Pentanediol, tert-Butyldimethylchlorosilane; Downstream Products: Apicidin, tert-butyl-hex-5-enoxy-dimethylsilane, 5-[(tert-Butyldimethylsilyl)oxy]pentanal.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/3/2026

How to cite: Jingsj. "5-[(tert-Butyldimethylsilyl)oxy]pentan-1-ol (CAS 83067-20-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36541-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.